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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./css/clear.css">
    <link rel="stylesheet" href="./css/index.css">
    <style>

    </style>
</head>

<body>
    <div class="Integral" style="display: none;">
        <img src="./img/0.png">
    </div>
    <img src=".//img/pause.png" class="out" style="display:none;">
    <div class="diban" >
        <img src="./img/diban.png" class="ong_img">
        <img src="./img/diban.png" class="two_img">
    </div>
    <div class="bird_title">
        <img class="bird_logo" src="./img/title.png" alt="">
        
        <div class="start">普通模式</div>
        <div style="font-size: 20px;" class="difficulty">困难模式</div>
        <div class="bird_list">
            <img src="./img/hn1.png" alt="">
            <img src="./img/hn_blue_1.png" alt="">
            <img src="./img/hn_red_1.png" alt="">
        </div>
    </div>
    <img  style=" display: none; z-index: 9999;" src="./img/start.png" class="Goon">
    <img src="./img/title.png" class="tite" style=" display: none;">

    <!-- birdShake 0.4s linear infinite reverse; -->
    <div class="bird"
        style="left:100px;width: 34px;height: 24px; animation: instigateong 0.4s linear infinite reverse,birdShake 0.4s linear infinite reverse;">

    </div>
    <img src="./img/gameover.png" class="Hungup1" style="display:none;z-index: 99999;">
    <img src="./img/start.png" class="Hungup" style="display:none;z-index: 99999;">
</body>
<script src="./js/clas.js"></script>
<script src="./js/index.js"></script>

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